From 057a64c4258420d2ba21aa9436a5e5865a213e99 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Fri, 1 Oct 2010 20:28:02 +0200
Subject: [PATCH] added a note to get an extension reference

---
 lib/Twig/Node/Expression/ExtensionReference.php |   38 +++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)
 create mode 100644 lib/Twig/Node/Expression/ExtensionReference.php

diff --git a/lib/Twig/Node/Expression/ExtensionReference.php b/lib/Twig/Node/Expression/ExtensionReference.php
new file mode 100644
index 0000000..bef9da7
--- /dev/null
+++ b/lib/Twig/Node/Expression/ExtensionReference.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents an extension call node.
+ *
+ * @package    twig
+ * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
+ * @version    SVN: $Id$
+ */
+class Twig_Node_Expression_ExtensionReference extends Twig_Node_Expression
+{
+    public function __construct($name, $lineno, $tag = null)
+    {
+        parent::__construct(array(), array('name' => $name), $lineno, $tag);
+    }
+
+    /**
+     * Compiles the node to PHP.
+     *
+     * @param Twig_Compiler A Twig_Compiler instance
+     */
+    public function compile($compiler)
+    {
+        $compiler
+            ->addDebugInfo($this)
+            ->raw(sprintf("\$this->env->getExtension('%s')", $this['name']))
+        ;
+    }
+}
-- 
1.7.2.5